碧海蓝天白婚纱和我得少年
[bì hăi lán tiān bái hūn shā hé wŏ dé shăo nián]
The username describes an idyllic scene where blue sea, blue sky meet white wedding dress with the owner's beloved partner or a youth figure in her/his life. It implies a sense of idealized romance or cherished memory from a younger age.